Wide-azimuth, radially-directed seismic data acquisition method

Details Wide-azimuth, radially-directed seismic data acquisition method Wide-azimuth, radially-directed seismic data acquisition method

1998-09-23

2000-03-28

Oda, Christine K.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 72, 181111, G01V 120

Patent

active

060440406

ABSTRACT:
A method of acquiring seismic data locates a central position above a peaked stratigraphic subsurface. The method then positions receiver lines radially out from the central position, angularly displaced relative to one another, at equal intervals, throughout an entire circle. The method then positions shot lines between and transverse to the receiver lines. The method can also change the circle to the shape of an ellipse. For an ellipse, the receiver lines radiate from a point at the intersection of the major and minor axes of the ellipse. The receiver lines are more closely spaced about the end points of the major axis than about the end points of the minor axis. The shot lines are more closely spaced adjacent the end points of the major axis than adjacent the end points of the minor axis.

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Technology Alliance Improves 3D Seismic Survey Design in Egypt's Western Desert, Oil & Gas Journal, Jun. 1, 1998, Section: New Images of the Subsurface, p. 48.

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